OBD Guide

P24D1

Particulate Matter Sensor Regeneration Incomplete

P24D1 is an OBD-II diagnostic trouble code meaning: Particulate Matter Sensor Regeneration Incomplete. Common causes: interrupted regeneration cycle, particulate filter sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Unpleasant smell from the exhaust system
  • Increased emissions

Causes

  • Interrupted regeneration cycle
  • Particulate filter sensor malfunction
  • Problems with the sensor electrical circuit
  • ECU software errors
  • Mechanical damage to the sensor

How to Fix

  1. Check the condition of the diesel particulate filter sensor
  2. Check the electrical circuit of the sensor
  3. Perform forced regeneration of the particulate filter
  4. Update ECU software
  5. Replace sensor if necessary

Related codes

Error P24D1 by Vehicle Brand

FAQ

What does the P24D1 code mean?

P24D1 is an OBD-II diagnostic trouble code that indicates: Particulate Matter Sensor Regeneration Incomplete

What causes a P24D1 error code?

The most common causes of P24D1 include: Interrupted regeneration cycle; Particulate filter sensor malfunction; Problems with the sensor electrical circuit; ECU software errors.

How do I fix a P24D1 diagnostic trouble code?

To fix P24D1: Check the condition of the diesel particulate filter sensor. Check the electrical circuit of the sensor. Perform forced regeneration of the particulate filter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24D1?

Yes, but get it checked soon

How much does it cost to fix P24D1?

The estimated repair cost for P24D1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat